#!/usr/bin/python

import os

def expand_path():
	print(os.path.expanduser("~/Documents/pyong-root"))

class Parent:
    def foo(self):
        print("foo() called in Parent")

class Child(Parent):
    def foo(self):
        print("foo() called in Child")
        Parent.foo(self)
        

if __name__ == "__main__":
#	expand_path()
    Child().foo()
